The term that can be used to describe evolution by natural selection is SCIENTIFIC THEORY.
Theory means "the best explanation so far."
Scientific theory is a work in progress. It is <span>a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method, and repeatedly confirmed through observation and experimentation.
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Natural Selection a single gene traits can lead to change in allele frequencies and to change in phenotype frequencies.
Answer:
I think it is the third one
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